CA1138097A - Non-linear processing of video image vertical detail information - Google Patents

Non-linear processing of video image vertical detail information

Info

Publication number
CA1138097A
CA1138097A CA000351685A CA351685A CA1138097A CA 1138097 A CA1138097 A CA 1138097A CA 000351685 A CA000351685 A CA 000351685A CA 351685 A CA351685 A CA 351685A CA 1138097 A CA1138097 A CA 1138097A
Authority
CA
Canada
Prior art keywords
signal
luminance
vertical detail
gain
signals
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000351685A
Other languages
English (en)
French (fr)
Inventor
Jack S. Fuhrer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Corp
Original Assignee
RCA Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by RCA Corp filed Critical RCA Corp
Application granted granted Critical
Publication of CA1138097A publication Critical patent/CA1138097A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
    • H04N9/78—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase for separating the brightness signal or the chrominance signal from the colour television signal, e.g. using comb filter
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G11/00—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general
    • H03G11/002—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general without controlling loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Picture Signal Circuits (AREA)
CA000351685A 1979-05-11 1980-05-09 Non-linear processing of video image vertical detail information Expired CA1138097A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/038,203 US4245238A (en) 1979-05-11 1979-05-11 Non-linear processing of video image vertical detail information
US038,203 1979-05-11

Publications (1)

Publication Number Publication Date
CA1138097A true CA1138097A (en) 1982-12-21

Family

ID=21898635

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000351685A Expired CA1138097A (en) 1979-05-11 1980-05-09 Non-linear processing of video image vertical detail information

Country Status (22)

Country Link
US (1) US4245238A (ja)
JP (1) JPS55153490A (ja)
KR (1) KR840000387B1 (ja)
AT (1) AT383713B (ja)
AU (1) AU536332B2 (ja)
BE (1) BE883156A (ja)
CA (1) CA1138097A (ja)
DE (1) DE3017931C2 (ja)
DK (1) DK148048C (ja)
ES (1) ES491347A0 (ja)
FI (1) FI72022C (ja)
FR (1) FR2456447B1 (ja)
GB (1) GB2049346B (ja)
HK (1) HK19187A (ja)
IT (1) IT1131169B (ja)
MX (1) MX5029E (ja)
MY (1) MY8500724A (ja)
NL (1) NL8002699A (ja)
NZ (1) NZ193570A (ja)
PL (1) PL129459B1 (ja)
PT (1) PT71200A (ja)
SE (1) SE450447B (ja)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4245237A (en) * 1979-05-11 1981-01-13 Rca Corporation Controllable non-linear processing of video signals
US4445152A (en) * 1980-09-02 1984-04-24 Karlock James A Video detail enhancing circuit
US4343019A (en) * 1981-01-16 1982-08-03 Rca Corporation Apparatus for reducing the effect of co-channel interference on synchronizing pulses
US4402006A (en) * 1981-02-23 1983-08-30 Karlock James A Image enhancer apparatus
US4371891A (en) * 1981-04-10 1983-02-01 Rca Corporation Chrominance signal processor
GB2110044A (en) * 1981-11-06 1983-06-08 Rca Corp Digital signal separation network and television receiver including such a network
SE453246B (sv) * 1982-11-26 1988-01-18 Rca Corp Anordning och sett for bild-till-bildkamfiltrering av en sammansatt televisionssignal
IT1177297B (it) * 1983-11-28 1987-08-26 Rca Corp Elaboratore di segnali di dettaglio verticale
US4626894A (en) * 1984-10-04 1986-12-02 Rca Corporation Signal filtering system having adaptively cascaded filter stages for developing a variable bandwidth frequency characteristic
JPS62245894A (ja) * 1986-04-18 1987-10-27 Sony Corp 映像信号分離装置
JPH07123307B2 (ja) * 1986-05-20 1995-12-25 ソニー株式会社 Ｙ／ｃ分離回路
DE3619222A1 (de) * 1986-06-07 1987-12-10 Thomson Brandt Gmbh System zur rauschminderung
DE3619223A1 (de) * 1986-06-07 1987-12-10 Thomson Brandt Gmbh System zur rauschminderung
US5287174A (en) * 1991-04-05 1994-02-15 Sanyo Electric Co., Ltd. Vertical resolution correcting circuit for video signal
JP2004159067A (ja) * 2002-11-06 2004-06-03 Sanyo Electric Co Ltd 垂直シャープネス装置及びそれを備えたｔｖ受像機
DE102007022848A1 (de) * 2007-05-12 2008-11-13 Beth Holzbearbeitungsmaschinen Gmbh Vorrichtung und Verfahren zum Bearbeiten von Stirnseiten von Holzwerkstücken quer zu deren Faserlängsrichtung
CN111386175A (zh) * 2018-03-04 2020-07-07 奥斯本股份有限公司 具有工具安装适配器的旋转表面修整器具

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2053513C3 (de) * 1970-10-31 1975-08-14 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und Anordnung zur Vermeidung des Auflösungsverlustes in Vertikalrichtung eines Farbfernsehbildes
US3715477A (en) * 1971-03-11 1973-02-06 Rca Corp Video signal noise-limiting apparatus
NL158987B (nl) * 1972-06-10 1978-12-15 Philips Nv Apertuurcorrector voor een televisiebeeldsignaal, alsmede televisie-opneeminrichting, daarvan voorzien.
US4074321A (en) * 1976-10-12 1978-02-14 The Magnavox Company Circuit for separating chroma and luminance information in a composite video signal
US4096516A (en) * 1977-03-25 1978-06-20 Rca Corporation Electronic signal processing apparatus
DE2736368C2 (de) * 1977-08-12 1982-05-13 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und Schaltungsanordnung zur Aperturkorrektur eines digitalen Videosignals

Also Published As

Publication number Publication date
JPS55153490A (en) 1980-11-29
PL129459B1 (en) 1984-05-31
ES8103901A1 (es) 1981-03-16
GB2049346B (en) 1983-03-16
DK148048B (da) 1985-02-11
PT71200A (en) 1980-06-01
ES491347A0 (es) 1981-03-16
FI801422A (fi) 1980-11-12
SE8003337L (sv) 1980-11-12
MY8500724A (en) 1985-12-31
IT1131169B (it) 1986-06-18
ATA249980A (de) 1986-12-15
MX5029E (es) 1983-02-22
AU5808780A (en) 1980-11-13
US4245238A (en) 1981-01-13
FI72022B (fi) 1986-11-28
DE3017931A1 (de) 1980-11-20
FR2456447A1 (fr) 1980-12-05
JPS6133500B2 (ja) 1986-08-02
DK148048C (da) 1985-09-23
DE3017931C2 (de) 1983-02-03
HK19187A (en) 1987-03-13
AU536332B2 (en) 1984-05-03
AT383713B (de) 1987-08-10
IT8021962A0 (it) 1980-05-09
KR840000387B1 (ko) 1984-03-27
DK204480A (da) 1980-11-12
NZ193570A (en) 1983-12-16
GB2049346A (en) 1980-12-17
FI72022C (fi) 1987-03-09
KR830004025A (ko) 1983-06-30
BE883156A (fr) 1980-09-01
FR2456447B1 (fr) 1985-08-09
NL8002699A (nl) 1980-11-13
SE450447B (sv) 1987-06-22
PL224177A1 (ja) 1981-02-27

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Legal Events

Date Code Title Description
MKEX Expiry